Home / 891,171.35-1,229,493.33-585,412.37

Finding the Fourth Proportional to 891,171.35, 1,229,493.33 and 585,412.37

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Solution

The fourth proportional to 891,171.35, 1,229,493.33 and 585,412.37 is: 807,656.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,171.35 : 1,229,493.33 = 585,412.37 : x
  2. Step 2: Convert to fraction form
    891,171.35/1,229,493.33 = 585,412.37/x
  3. Step 3: Cross multiply
    891,171.35x = 1,229,493.33 × 585,412.37
  4. Step 4: Simplify right side
    891,171.35x = 719,760,604,214.49
  5. Step 5: Solve for x
    x = 719,760,604,214.49/891,171.35
  6. Step 6: Final answer
    x = 807,656.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.